Par`a*si"ta (?), n. pl. [NL.] Zool. (a)
An artificial group formerly made for parasitic insects, as lice, ticks, mites, etc.
(b)
A division of copepod Crustacea, having a sucking mouth, as the lerneans. They are mostly parasites on fishes. Called also Siphonostomata.
© Webster 1913.